205429203

素因数分解:

$3^4\times 7^1\times {\mathrm{362309}}^1$

素因数の和:362328

約数の個数: 20

約数和(自身を含む): 350716080

約数和(自身を除く): 145286877

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 362309, 1086927, 2536163, 3260781, 7608489, 9782343, 22825467, 29347029, 68476401, 205429203]

約数ペア:

[(1, 205429203), (3, 68476401), (7, 29347029), (9, 22825467), (21, 9782343), (27, 7608489), (63, 3260781), (81, 2536163), (189, 1086927), (567, 362309)]